CN102337761A - Ball disc spring shock isolation device - Google Patents
Ball disc spring shock isolation device Download PDFInfo
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- CN102337761A CN102337761A CN2010102322001A CN201010232200A CN102337761A CN 102337761 A CN102337761 A CN 102337761A CN 2010102322001 A CN2010102322001 A CN 2010102322001A CN 201010232200 A CN201010232200 A CN 201010232200A CN 102337761 A CN102337761 A CN 102337761A
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- 238000002955 isolation Methods 0.000 title abstract description 17
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- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 13
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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Abstract
The invention relates to a shock isolation device, in particular to a combined shock isolation device. The ball disc spring shock isolation device comprises a shock isolation support, wherein the upper end of the shock isolation support is connected with a damper. The invention is suitable for newly built structures, also suitable for seismic reinforcement and post-seismic maintenance of original structures, is suitable for common civil houses, civil engineering such as structures, bridges and the like, can also be used in story-adding and displacement buildings, is suitable for shock insulation and shock absorption of instruments and equipment, and has low manufacturing cost and wide application prospect.
Description
Technical field
The present invention relates to a kind of earthquake isolating equipment, relate in particular to a kind of combined isolation device.
Background technology
Base isolation mainly contains at present: bearing, combined isolations such as laminated rubber bases, frictional slip shock insulation unit bearing, rolling pendulum, spin, roller bearing.Wherein, laminated rubber bases is used the most extensive, reaches more than 90%.
(1) laminated rubber bases
Laminated rubber bases is to be formed by stacking by steel plate and rubber, and the thickness of every layer of rubber and steel plate is merely several millimeters, and the centre sticks with glue knot.Such structure makes its vertical bearing capacity very big, also has bigger distortion in the horizontal direction.The shrouding up and down of bearing is thicker, and shrouding connects with being connected between the steel plate through bolt, connects steel plate and links to each other with building through bolt.According in the middle of the laminated rubber whether damping materials such as lead for retractable pencil, carbon are set, can laminated rubber bases be divided into three types: normal stack neoprene bearing, lead rubber bearing, high damping laminated rubber bases.The neoprene bearing of domestic production at present mainly is common and the lead for retractable pencil type, and the high damping type is used less.
Because the restriction of conventional rubber vibration isolation cushion performance makes conventional seismic isolation technology have some more formidable shortcomings.
Elastomeric isolation pad with intermediate layers is by rubber and the sandwich clad steel layering is superimposed forms through high temperature vulcanized bonding.On its practical applications, problem deserving of attention is following:
1. stretching resistance is not very high: rubber is not the very high material of density, and its pulling force is generally not high.Yet structure has very big twisting resistance and vertical seismic forces usually in earthquake, and under shake condition doughtily, vertical earthquake is often very big especially.Phenomenon is often lifted from this feasible basis.
2. manufacture the quality requirement height: because sandwich rubber cushion is the supporting member of whole building structure, its quality and performance are determining the safety in application life of building last 100 years on the one hand.Be its quality and performance on the other hand,, have very strong quality and hide property from being difficult to differentiation in appearance.
3. paste relatively more difficult with other material: the concrete surface of rubber and building generally is difficult to link, and in rubber vibration isolation cushion, generally uses special cementing agent to link to each other rubber with the connection steel plate, and this has also increased cost.
4. the use experience of material is less relatively: compare with concrete with steel, as the rubber of agent structure material, then lack use experience.
5. has creep properties.
(2) frictional slip isolated component
The frictional slip isolated component mainly is made up of friction factor materials with smaller such as some image-stone China inks, mica, grains of sand layer, polyfluortetraethylene plates.Wherein material such as graphite, the grains of sand can simple and effectively improve the anti-seismic performance of farm dwelling, propose by Chinese scholar Li Li, and at 4 16m in Yunnan Province
2One-storey house on obtained application, but because the weight capacity of material such as the grains of sand is limited, architecturally can not use this method higher.
(3) elements such as rolling pendulum, spin, roller bearing
This class component mainly is made up of roller and chute, and when earthquake took place, roller rolled in slot rolling, and seismic wave is to the transmission of superstructure isolator, and slot rolling can limit the maximum displacement of roller simultaneously.If chute is a spill, device also has from the ability that resets.
Present existing rolling shock insulation device mainly contains spin and adds spring reverse motion and spin band spill restoring board earthquake isolating equipment; Under geological process; But spin adds the frictional force earthquake energy that takes place to roll relatively between substrate and the spin of spring reverse motion and produce; Frequency band range to the ground input is very wide is all effective, and lot of domestic and international scholar carried out some theories and experimental study to this.Have good isolating affection though spin adds spring reverse motion, its spacing ability is bad, and when earthquake was strong, spin might roll out under base plate, and the location of spin is also pretty troublesome.Like the Chinese patent of notice of authorization on the 23rd in May calendar year 2001, notification number is CN2431333Y, discloses a kind of novel building shock insulation energy-dissipating device; Its movable ball that supports is circular spheroid, the anti-skid layer of power consumption spheroid upper surface assembling, and the top and the bottom contact surface is a sphere shape; Spin band spill restoring board earthquake isolating equipment is because the existence of spin makes it have good damping effect; Groove can be controlled the rolling of spin effectively simultaneously; And locate also convenient and reliable, but owing to there is not the measure of other restriction spin rolling amounts, spin still have from spill restoring board plate roll out maybe.And it is only better to the damping effect of horizontal direction, and vertical damping effect is not good.
Summary of the invention
Technique effect of the present invention can overcome above-mentioned defective, and a kind of ball dish spring earthquake isolating equipment is provided, and it combines horizontal vibrating and vertical vibrations, constitutes the three-dimensional isolation system.
For realizing above-mentioned purpose, the present invention adopts following technical scheme: it comprises shock isolating pedestal, and the shock isolating pedestal upper end connects damper.
Ball dish spring earthquake isolating equipment of the present invention belongs to combined isolation, and the geological process of level of isolation and vertical direction constitutes the three-dimensional isolation system simultaneously, alleviates the earthquake response of structure effectively, and the safety of structure when improving earthquake reduces secondary disaster.During the strenuous exercise on ground, adopt the present invention can make superstructure still can be in normal elastic state, the sense of discomfort when suppressing vibration.Superstructure design is relatively freer, and seismic measures is simple, because only consider earthquake isolating equipment, design and work progress all obtain simplifying.
Damper comprises guide cylinder, and the two ends up and down of guide cylinder are provided with limiting plate respectively, along the guide cylinder circumferencial direction butterfly spring are set between two limiting plates.The top damper adopts disk spring as vertical damper element, utilizes the change stiffness characteristics and the energy dissipation capacity of disk spring, chooses suitable vertical rigidity according to superstructure and place characteristic.Guide cylinder is provided with inlet, through clamp-oning plumbous heart damping material in the guide cylinder of inlet with the dish spring, has increased the vertical damping of damper in the time of the horizontal changing of the relative positions of restriction monolithic dish spring.
Shock isolating pedestal comprises upper bracket plate, lower support plate, and the relative side correspondence position of upper bracket plate and lower support plate is provided with groove at interval, and ball is set in the groove, and ball and grooves contact face are spherical.Ball quantity can be provided with arbitrarily, and ball and grooves contact face are the spherical of arc, makes steel ball that certain reset capability arranged.
Ball preferably adopts spheroid, also can adopt other shape, as long as guarantee that ball and grooves contact face are spherical.
Be provided with the power consumption frictional layer in the groove, the power consumption frictional layer adopts polytetrafluoroethylene (PTFE) or molybdenum bisuphide or Nano diamond or DLC, can increase the torsional effect that damping also suppresses superstructure effectively.
Shape-memory alloy wire arranged in a crossed manner around upper bracket plate and the lower support plate interval is respectively equipped with fixedly cushion block on upper bracket plate and the lower support plate, shape-memory alloy wire is through fixedly cushion block is arranged in a crossed manner.Marmem (Shap Memory Alloy; Be called for short SMA), be a kind of new function material with SME, superelastic effect and high damping characteristic, compare with the damper that adopts ordinary metallic material to make; Passive damping utensil based on the exploitation of super elastic shape memory alloy hysteretic characteristic has durability and corrosion resistance and good; The operating period limit for length, energy dissipation capacity is strong, and distortion is than advantages such as big and distortion can recover.Two-layer seat board intersection is continuous up and down with shape-memory alloy wire around bearing, and shape-memory alloy wire is provided with the position can be corresponding with the ball position.The setting of shape-memory alloy wire; Can better solve the reset issues of shake back earthquake isolating equipment; Prevent that ball from rolling out, shape-memory alloy wire has the characteristic of super-elasticity and high damping simultaneously, in seismic process, more damping force can be provided; A large amount of seismic energies that dissipate play better isolating affection.In order to guarantee that the alloy silk is always drawn, need prestretching 2-3% often simultaneously, guarantee the elongation rope and shorten all in range of stretch at the design shape memory alloy wire.
Be connected through bolt between shock isolating pedestal and the damper, utilize high-strength bolt up and down two parts connect, it is as a whole that damper and shock isolating pedestal are combined into.
The present invention both had been applicable to newly-built structure; Also be applicable to the seismic hardening and the maintenance of shake back of original structure thing, both be applicable to general civic building, also be applicable to civil engineerings such as structure, bridge; Also can be used for adding in layer and the displacement building; Be fit to instrument, base-isolated equipment damping, cheap, application prospect is wide.
Description of drawings
Fig. 1 is a contour structures sketch map of the present invention;
Fig. 2 is a shock isolating pedestal sketch map of the present invention;
Fig. 3 is embodiments of the invention 1 shock isolating pedestal partial schematic diagrams;
Fig. 4 is embodiments of the invention 2 shock isolating pedestal partial schematic diagrams.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment this device is done detailed description:
The present invention includes shock isolating pedestal, the shock isolating pedestal upper end connects damper.
Damper comprises guide cylinder 4, and the two ends up and down of guide cylinder 4 are provided with respectively between limiting plate 2, two limiting plates 2 and along guide cylinder 4 circumferencial directions butterfly spring 3 are set.Guide cylinder 4 is provided with inlet 1.Shock isolating pedestal comprises upper bracket plate 6, lower support plate 5, and upper bracket plate 6 is provided with groove 10 at interval with lower support plate 5 relative side correspondence positions, and ball 8 is set in the groove 10, and ball 8 is a spherical with groove 10 contact surfaces.Be provided with power consumption frictional layer 11 in the groove 10.Power consumption frictional layer 11 adopts polytetrafluoroethylene (PTFE) or molybdenum bisuphide or Nano diamond or DLC.Shape-memory alloy wire 9 arranged in a crossed manner around upper bracket plate 6 and lower support plate 5 intervals.Be respectively equipped with fixedly cushion block 12 on upper bracket plate 6 and the lower support plate 5, shape-memory alloy wire 9 is through fixedly cushion block 12 is arranged in a crossed manner.Be fixedly connected through bolt 7 between shock isolating pedestal and the damper.
Claims (10)
1. a ball dish spring earthquake isolating equipment comprises shock isolating pedestal, it is characterized in that, the shock isolating pedestal upper end connects damper.
2. ball dish spring earthquake isolating equipment according to claim 1 is characterized in that damper comprises guide cylinder, and the two ends up and down of guide cylinder are provided with limiting plate respectively, along the guide cylinder circumferencial direction butterfly spring are set between two limiting plates.
3. ball dish spring earthquake isolating equipment according to claim 2 is characterized in that guide cylinder is provided with inlet.
4. ball dish spring earthquake isolating equipment according to claim 1 and 2; It is characterized in that shock isolating pedestal comprises upper bracket plate, lower support plate, the relative side correspondence position of upper bracket plate and lower support plate is provided with groove at interval; Ball is set in the groove, and ball and grooves contact face are spherical.
5. ball dish spring earthquake isolating equipment according to claim 4 is characterized in that, is provided with the power consumption frictional layer in the groove.
6. ball dish spring earthquake isolating equipment according to claim 5 is characterized in that, the power consumption frictional layer adopts polytetrafluoroethylene (PTFE) or molybdenum bisuphide or Nano diamond or DLC.
7. ball dish spring earthquake isolating equipment according to claim 4 is characterized in that ball is a spheroid.
8. ball dish spring earthquake isolating equipment according to claim 4 is characterized in that, shape-memory alloy wire arranged in a crossed manner around upper bracket plate and the lower support plate interval.
9. ball dish spring earthquake isolating equipment according to claim 8 is characterized in that, is respectively equipped with fixedly cushion block on upper bracket plate and the lower support plate, and shape-memory alloy wire is through fixedly cushion block is arranged in a crossed manner.
10. ball dish spring earthquake isolating equipment according to claim 1 is characterized in that, is connected through bolt between shock isolating pedestal and the damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102322001A CN102337761A (en) | 2010-07-16 | 2010-07-16 | Ball disc spring shock isolation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102322001A CN102337761A (en) | 2010-07-16 | 2010-07-16 | Ball disc spring shock isolation device |
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| Publication Number | Publication Date |
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| CN102337761A true CN102337761A (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102322001A Pending CN102337761A (en) | 2010-07-16 | 2010-07-16 | Ball disc spring shock isolation device |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015554A (en) * | 2012-12-08 | 2013-04-03 | 北京工业大学 | Three-dimensional seismic isolation device for being closely attached to cross part of subway |
| CN103643627A (en) * | 2013-12-20 | 2014-03-19 | 中铁二院工程集团有限责任公司 | Damping structure for continuous rigid frame pier with limited constraint |
| CN104141719A (en) * | 2014-06-27 | 2014-11-12 | 北京工业大学 | Anti-torsion type three-dimensional cultural relic shock isolation device |
| CN104294954A (en) * | 2014-09-18 | 2015-01-21 | 中国地震局工程力学研究所 | Spherical hinge type three-way shock insulation pedestal arranged on upper portion of guide rail disc spring |
| CN104352096A (en) * | 2014-10-30 | 2015-02-18 | 宁波邦达实业有限公司 | Vibration-isolation device for storage device and display device |
| CN105370787A (en) * | 2015-11-06 | 2016-03-02 | 中国电力科学研究院 | Self-reset composite type damper trigger force checking method for electrical equipment |
| CN105936373A (en) * | 2016-06-13 | 2016-09-14 | 无锡虹业自动化工程有限公司 | Control cabinet with anti-vibration function during transportation |
| CN106948641A (en) * | 2017-04-05 | 2017-07-14 | 中国人民解放军61489部队 | The steel frame shock insulation shielding integrative protection system and method that a kind of band limit resets |
| CN106948642A (en) * | 2017-04-05 | 2017-07-14 | 中国人民解放军61489部队 | Large-scale frame structure from wall type isolation structure and method in tunnel |
| CN106969077A (en) * | 2017-04-13 | 2017-07-21 | 兰州理工大学 | A kind of combined type three-dimensional intelligent shock-isolation bearing |
| CN107784917A (en) * | 2017-11-30 | 2018-03-09 | 重庆科技学院 | A kind of apparatus for demonstrating of simulant building thing shock insulation |
| CN107849862A (en) * | 2015-03-26 | 2018-03-27 | 文森佐·卡萨 | Seismic device for insulating buildings |
| CN108222279A (en) * | 2018-02-06 | 2018-06-29 | 华北水利水电大学 | A kind of novel base for supporting isolation structure and its installation method |
| CN108625277A (en) * | 2018-04-12 | 2018-10-09 | 王涛 | A kind of shock-damping structure and its construction method |
| CN109025170A (en) * | 2018-05-30 | 2018-12-18 | 河南民生特种装备有限公司 | The shock insulation floor of multiple spot spherical surface rolling support with limit rope |
| CN109114156A (en) * | 2018-11-05 | 2019-01-01 | 西南科技大学 | A kind of rolling bearing cultural relics display case three-dimensional isolation device |
| CN110565539A (en) * | 2019-09-23 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | Swivel bridge with seismic isolation and reduction functions and construction method thereof |
| CN112302186A (en) * | 2020-09-16 | 2021-02-02 | 北京工业大学 | Circular arc groove roller friction support for support column of underground subway station |
| CN112709481A (en) * | 2020-12-25 | 2021-04-27 | 天津轨道交通城市发展有限公司 | House earthquake-resistant structure |
| CN114961010A (en) * | 2022-05-25 | 2022-08-30 | 西安工程大学 | Inertial capacity self-resetting shock insulation and absorption system |
| CN114961783A (en) * | 2022-05-26 | 2022-08-30 | 中铁四局集团第四工程有限公司 | Fiber concrete duct piece suitable for passing through heavy-duty traffic line and manufacturing method |
| CN115538639A (en) * | 2022-10-27 | 2022-12-30 | 东北林业大学 | Novel self-resetting buckling-restrained brace and assembling method |
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| CN2716377Y (en) * | 2004-04-30 | 2005-08-10 | 北京工业大学 | Shape memory alloy and rubber composite support with horizontal polydirectional vibration-proof and vertical drawing-prevention function |
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| CN2431333Y (en) * | 2000-07-11 | 2001-05-23 | 楚宏 | Dissipative vibration isolation device for building |
| CN2716377Y (en) * | 2004-04-30 | 2005-08-10 | 北京工业大学 | Shape memory alloy and rubber composite support with horizontal polydirectional vibration-proof and vertical drawing-prevention function |
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Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015554A (en) * | 2012-12-08 | 2013-04-03 | 北京工业大学 | Three-dimensional seismic isolation device for being closely attached to cross part of subway |
| CN103643627A (en) * | 2013-12-20 | 2014-03-19 | 中铁二院工程集团有限责任公司 | Damping structure for continuous rigid frame pier with limited constraint |
| CN104141719B (en) * | 2014-06-27 | 2018-05-25 | 北京工业大学 | A kind of antitorque transition three-dimensional antique vibration isolation device |
| CN104141719A (en) * | 2014-06-27 | 2014-11-12 | 北京工业大学 | Anti-torsion type three-dimensional cultural relic shock isolation device |
| CN104294954B (en) * | 2014-09-18 | 2016-07-06 | 中国地震局工程力学研究所 | A kind of guide rail disc spring top ball pivot three-dimensional shock isolation pedestal |
| CN104294954A (en) * | 2014-09-18 | 2015-01-21 | 中国地震局工程力学研究所 | Spherical hinge type three-way shock insulation pedestal arranged on upper portion of guide rail disc spring |
| CN104352096A (en) * | 2014-10-30 | 2015-02-18 | 宁波邦达实业有限公司 | Vibration-isolation device for storage device and display device |
| CN107849862A (en) * | 2015-03-26 | 2018-03-27 | 文森佐·卡萨 | Seismic device for insulating buildings |
| CN105370787A (en) * | 2015-11-06 | 2016-03-02 | 中国电力科学研究院 | Self-reset composite type damper trigger force checking method for electrical equipment |
| CN105936373A (en) * | 2016-06-13 | 2016-09-14 | 无锡虹业自动化工程有限公司 | Control cabinet with anti-vibration function during transportation |
| CN106948641A (en) * | 2017-04-05 | 2017-07-14 | 中国人民解放军61489部队 | The steel frame shock insulation shielding integrative protection system and method that a kind of band limit resets |
| CN106948642A (en) * | 2017-04-05 | 2017-07-14 | 中国人民解放军61489部队 | Large-scale frame structure from wall type isolation structure and method in tunnel |
| CN106969077A (en) * | 2017-04-13 | 2017-07-21 | 兰州理工大学 | A kind of combined type three-dimensional intelligent shock-isolation bearing |
| CN107784917B (en) * | 2017-11-30 | 2023-06-30 | 重庆科技学院 | Demonstration device for simulating building shock insulation |
| CN107784917A (en) * | 2017-11-30 | 2018-03-09 | 重庆科技学院 | A kind of apparatus for demonstrating of simulant building thing shock insulation |
| CN108222279A (en) * | 2018-02-06 | 2018-06-29 | 华北水利水电大学 | A kind of novel base for supporting isolation structure and its installation method |
| CN108625277B (en) * | 2018-04-12 | 2021-01-15 | 吉安鼎丰建设工程有限公司 | Shock absorption structure and construction method thereof |
| CN108625277A (en) * | 2018-04-12 | 2018-10-09 | 王涛 | A kind of shock-damping structure and its construction method |
| CN109025170A (en) * | 2018-05-30 | 2018-12-18 | 河南民生特种装备有限公司 | The shock insulation floor of multiple spot spherical surface rolling support with limit rope |
| CN109025170B (en) * | 2018-05-30 | 2024-01-16 | 河南民生特种装备有限公司 | Multi-point spherical rolling support shock insulation floor with limiting rope |
| CN109114156A (en) * | 2018-11-05 | 2019-01-01 | 西南科技大学 | A kind of rolling bearing cultural relics display case three-dimensional isolation device |
| CN110565539A (en) * | 2019-09-23 | 2019-12-13 | 中铁第四勘察设计院集团有限公司 | Swivel bridge with seismic isolation and reduction functions and construction method thereof |
| CN112302186A (en) * | 2020-09-16 | 2021-02-02 | 北京工业大学 | Circular arc groove roller friction support for support column of underground subway station |
| CN112709481A (en) * | 2020-12-25 | 2021-04-27 | 天津轨道交通城市发展有限公司 | House earthquake-resistant structure |
| CN114961010A (en) * | 2022-05-25 | 2022-08-30 | 西安工程大学 | Inertial capacity self-resetting shock insulation and absorption system |
| CN114961010B (en) * | 2022-05-25 | 2023-03-10 | 西安工程大学 | Inertial capacity self-resetting shock insulation and absorption system |
| CN114961783A (en) * | 2022-05-26 | 2022-08-30 | 中铁四局集团第四工程有限公司 | Fiber concrete duct piece suitable for passing through heavy-duty traffic line and manufacturing method |
| CN115538639A (en) * | 2022-10-27 | 2022-12-30 | 东北林业大学 | Novel self-resetting buckling-restrained brace and assembling method |
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Application publication date: 20120201 |